Summary of the sample code table of the as-synthesized Co-MOF-based ZIF-67 nanostructures under different reaction parameters.
| Sample code | Time (h) | Temperature (°C) | Solvent | Cobalt source | 2-Methylimidazolate (Hmim)/Co2+ molar ratio |
|---|---|---|---|---|---|
| HC1 | 12 | 25 | Methanol | CoNO3·6H2O | 1.5/1 |
| HC2 | 12 | 25 | Methanol | CoNO3·6H2O | 2/1 |
| HC3 | 12 | 25 | Methanol | CoNO3·6H2O | 6/1 |
| HC4 | 12 | 25 | Methanol | CoNO3·6H2O | 16/1 |
| SO1 | 12 | 25 | Methanol (M) | CoNO3·6H2O | 4/1 |
| SO2 | 12 | 25 | Ethanol (E) | CoNO3·6H2O | 4/1 |
| SO3 | 12 | 25 | Water (W) | CoNO3·6H2O | 4/1 |
| SO4 | 12 | 25 | W–M (1–2) | CoNO3·6H2O | 4/1 |
| SO5 | 12 | 25 | W–E (1–2) | CoNO3·6H2O | 4/1 |
| CS1 | 12 | 25 | Methanol | CoNO3·6H2O | 4/1 |
| CS2 | 12 | 25 | Methanol | CoCl2·2H2O | 4/1 |
| CS3 | 12 | 25 | Methanol | Co(SO4)·4H2O | 4/1 |
| Te1 | 12 | 100 | W–M (1–2) | CoNO3·6H2O | 4/1 |
| Te2 | 12 | 100 | Water | CoNO3·6H2O | 16/1 |
| Te3 | 12 | 100 | Methanol | CoNO3·6H2O | 16/1 |
| Ti1 | 0.5 | 25 | Methanol | CoNO3·6H2O | 4/1 |
| Ti2 | 6 | 25 | Methanol | CoNO3·6H2O | 4/1 |
| Ti3 | 12 | 25 | Methanol | CoNO3·6H2O | 4/1 |
| Ti4 | 48 | 25 | Methanol | CoNO3·6H2O | 4/1 |